{
  "query": {
    "bool": {
      "must": [
        {
          "match_phrase": {
            "exception.message": "Iterator page I/O error."
          }
        },
        {
          "match_phrase": {
            "exception.file": "/srv/mediawiki/php-1.40.0-wmf.2/includes/libs/filebackend/SwiftFileBackend.php:1050"
          }
        }
      ]
    }
  }
}